Intellectual property

Our Patents

A growing portfolio protecting QLM's quantum gas lidar - from rapidly tuneable diode lidar to accurate methane flow-rate measurement.

US 12,411,153: Accurate measurement of methane gas leak flow rate. Sept 2025
US 12,339,264: Calibration for tuneable diode lidar gas detection. June 2025
US 12,253,466: Accurate methane detection using tuned lidar modulation. Mar 2025
EP4291872: Gas detection tuning modulation. Dec 2024
EP 3956677: Rapidly tuneable diode lidar. Oct 2024
GB 2617370: Measurement of gas flow rate. Dec 2024
US 12,158,419: Gas detection tuning modulation. Dec 2024
US 12,123,830: Rapidly tuneable diode lidar. Oct 2024
US 12,111,335: Measurement of gas flow rate. Oct 2024
US 12,099,007: Rapidly tuneable diode lidar. Sept 2024
GB 2607646: Gas detection tuning modulation. Nov 2023
US 11,714,047: Method to determine gas absorption in rapidly tuned diode lidar. Aug 2023
US 11,644,576: Method of operating a lidar system for detection of gas. May 2023
GB 2586075 : Rapidly tuneable diode lidar. July 2021
The Details

Learn more about the core technology

Download the technical whitepaper and product brochure for full specifications, methodology and deployment detail.

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QLM Quantum Lidar Methane Camera brochure
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